M4.3 earthquake 97 km NNE of Neiafu, Tonga
A magnitude 4.3 earthquake struck 97 km NNE of Neiafu, Tonga on Fri, Feb 17, 1978, 7:59 PM GMT-12 (07:59 UTC), 231 km (144 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1978-02-18 07:59:09 UTC
- Depth
- 231.0 km (143.5 mi), intermediate-depth
- Epicenter
- 17.913° S, 173.487° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 15
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000t11. Read Sat, Oct 3, 2026, 8:53 PM UTC.